Fixes for -Wunused-function on Linux, Android and ChromeOS

chrome/browser/ui/views/location_bar/location_bar_view.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/command_line.h"
@@ skipping 96 matching lines @@
 #include "ui/compositor/layer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #endif
 
 using content::WebContents;
 using views::View;
 
 
 namespace {
 
+#if !defined(OS_CHROMEOS)
 Browser* GetBrowserFromDelegate(LocationBarView::Delegate* delegate) {
   WebContents* contents = delegate->GetWebContents();
   return contents ? chrome::FindBrowserWithWebContents(contents) : NULL;
 }
+#endif
 
 // Given a containing |height| and a |base_font_list|, shrinks the font size
 // until the font list will fit within |height| while having its cap height
 // vertically centered.  Returns the correctly-sized font list.
 //
 // The expected layout:
 //   +--------+-----------------------------------------------+------------+
 //   |        | y offset                                      | space      |
 //   |        +--------+-------------------+------------------+ above      |
 //   |        |        |                   | internal leading | cap height |
@@ skipping 1434 matching lines @@
     bounds.Inset(-(horizontal_padding + 1) / 2, 0);
     location_bar_util::PaintExtensionActionBackground(
         *(*page_action_view)->image_view()->page_action(),
         tab_id, canvas, bounds, text_color, background_color);
   }
 }
 
 void LocationBarView::AccessibilitySetValue(const string16& new_value) {
   location_entry_->SetUserText(new_value);
 }